This small steel stringer bridge carries the former Chicago & North Western Railway KD Line over an unnamed ditch east of Poplar Grove

Poplar Grove, Boone County, Illinois

Owner: Boone County Conservation District

Status: Open to Pedestrian Traffic; Scheduled For Replacement

Built 1908

by

American Bridge Company of New York (Lassig Plant)

for

Chicago & North Western Railway

Design:
16' steel stringer

Description:
Steel stringer bridge over unnamed ditch

Significance:

This small standard concrete arch bridge crosses a tributary of Kingsbury Creek east of Irene

Irene, Boone County, Illinois

Owner: Canadian National Railway

Status: In Use

Built 1907

by

Unknown

for

Illinois Central Railroad

Design:
14' concrete arch

Description:
Concrete arch bridge over tributary of Kingsbury Creek

Significance:

This small stone arch culvert carries the former Chicago & North Western Railway KD Line over an unnamed ditch in of Poplar Grove

Poplar Grove, Boone County, Illinois

Owner: Boone County Conservation District

Status: Open to Pedestrian Traffic

Built 1890

by

Unknown

for

Chicago & North Western Railway

Design:
5' stone arch culvert

Description:
Stone arch culvert over unnamed ditch

Significance:

This deck plate girder bridge carries the former Chicago & North Western Railway KD Line over an unnamed creek west of Poplar Grove

Poplar Grove, Boone County, Illinois

Owner: Boone County Conservation District

Status: Open to Pedestrian Traffic; Scheduled For Replacement

Built 1899

by

Unknown

for

Chicago & North Western Railway

Design:
36' deck plate girder

Description:
Deck plate girder bridge over unnamed creek

Significance:

This historic deck truss bridge crosses the Kishwaukee River in Belvidere

Belvidere, Boone County, Illinois

Owner: Union Pacific Railroad

Status: Abandoned

Built 1887

by

Unknown

for

Chicago & North Western Railway

Design:
2-106' double intersection Warren deck trusses

Description:
Double intersection Warren deck truss bridge over Kishwaukee River

Significance:

This through plate girder bridge carries a former Chicago & North Western Railway line over Interstate 90 west of Belvidere

Belvidere, Boone County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1958

by

American Bridge Company of New York and Shappert Engineering Company of Belvidere, Illinois

for

Chicago & North Western Railway and Illinois State Toll Highway Commission

Design:
2-76' through plate girders

Description:
Through plate girder bridge over Interstate 90

Significance: